Ribbon weaving and other weaving accessories (Spanish) (Tejeduria de a'ntas y otros accesorios para la tejeduria)

The article reports on innovations exhibited at ITMA 99 in the area of preparation for weaving, ribbon weaving and weaving accessories. Of particular note were effects to increase the speed of warping and sizing machines. Advances were also made in devices which permit the production of a greater variety of articles. The companies feature..

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Evolution better than revolution (Spanish) (Evolucion mas bien que revolucion)

The article reports on innovations in the weaving sector exhibited at ITMA 99. Greater speed and flexibility were frequent thems. Much emphasis was placed on electronics, automation and refinement. The companies featured in the article are Benninger Holding AG, Bonas, Grosse, Dornier, Fimtextile, Nuova Vamatex, Picanol, Staubli, Sulzer Te..

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New lubrication technologies of textile machines (German)

A new lubricant known as Green Oil has been developed in Italy for lubricating textile machines, especially circular knitting machines. It contains no solvents or solid additives and is environmentally friendly. Its chemistry and physical and technical characteristics are reviewed. Its advantages include the fact that it can be easily rem..

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Flexible warp drawing-in systems - key elements in quick style change in weaving (German)

A selection of drawing-in and tying-in systems currently available are reviewed, including stationary warp tying-in, the Staubli Uni-Link system and the Staubli Delta 100 and 200 drawing-in systems. The Vega drawing-in machine from the Italian manufacturer, EL and M SpA, enables drawing-in to to be carried out from a yarn package and the ..

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ITMA 99 survey 20: Wearing preparation, warping and sizing

At ITMA 99 the wearing preparation sector showed two new trends: in warping, a large size of packages and creels for industrial application; and in sizing, the wide application of the pre-wet system. In the latter, yarns pass through a box containing hot water before entering the sizing box. Models are discussed from West Point Foundry, G..

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State and development trends in the preparation for weaving phase (Slovene) (Stanje in trendi razvoja v pripravi za tkanje) (2356)

The preparation for weaving is the key phase in the modern weaving process. It is important for the quality of products on the one hand and for quicker responsiveness of fabrics manufacturers to market demands on the other hand. Due to high speeds of modern looms the fabric manufacturers urgently need very well prepared material, so the q..

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A finite-volume method for deformation analysis of woven fabrics.

Efficient numerical methods for simulating cloth deformations have been identified as the key to the development of successful computer-Aided Design systems for clothing products. This paper presents the formulation of a new finite-volume method for the simulation of complex deformations of initially flat woven fabric sheets under self-we..

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Woven composite material design by orthotropic compliance averaging method using mathematica

The present paper deals with the problem of the micromechanics analysis of the elastic constant of one ply plain weave composite. In fact, we demonstrate the validity of this method proposed in the case of two-dimensional textile structural composite, which has orthotropic symmetry in the (x-y) plane by assuming undulation in two directio..

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Testing methods for technical textiles

A number of advanced textile testing and measuring instruments were on display at ITMA '99, but no completely new techniques were shown. Novelties were restricted to rapid production survey techniques and standardized laboratory methods. This review mainly refers to the technique of measuring surface structures and technical textiles.

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Testing technology and quality control

Leading manufacturers of testing and measuring equipment for the textile industry displayed their ranges at ITMA '99. This article describes significant new testing devices and procedures which were on show in the following areas: in-line quality control, on-line quality control, automation, quick-test systems and simulation systems.

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